Hubble

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Your official Twitter source for things relating to NASA's Hubble Space Telescope (HST)

Astronaut John Grunsfeld at @MDSCIENCECENTER. He has been on 5 shuttle missions, 3 of which were Hubble missions.

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1754 days ago

Astronaut John Grunsfeld at . He has been on 5 shuttle missions, 3 of which were Hubble missions.

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